Home / 35,870.31-49,507.11-20,760.39

Finding the Fourth Proportional to 35,870.31, 49,507.11 and 20,760.39

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Solution

The fourth proportional to 35,870.31, 49,507.11 and 20,760.39 is: 28,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,870.31 : 49,507.11 = 20,760.39 : x
  2. Step 2: Convert to fraction form
    35,870.31/49,507.11 = 20,760.39/x
  3. Step 3: Cross multiply
    35,870.31x = 49,507.11 × 20,760.39
  4. Step 4: Simplify right side
    35,870.31x = 1,027,786,911.37
  5. Step 5: Solve for x
    x = 1,027,786,911.37/35,870.31
  6. Step 6: Final answer
    x = 28,652.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.